6 letter words:
irenic8,
5 letter words:
yince10,
icier7,
nicer7,
ricin7,
4 letter words:
cine6,
cire6,
nice6,
rice6,
rein4,
3 letter words:
cry8,
icy8,
rye6,
yen6,
yin6,
ice5,
rec5,
ern3,
ire3,
rei3,
rin3,
2 letter words:
ye5,
en2,
er2,
in2,
ne2,
re2,